نتایج جستجو برای: radiobiological models
تعداد نتایج: 908793 فیلتر نتایج به سال:
Radiobiological measurements have been made under various conditions of muliport pion irradiation using the Stanford Medical Pion Generator (SMPG). Chinese hamster cells (HA-1) were suspended in a tissue-equivalent 25% gelatin/medium solution. Hypoxic and aerobic HA-1 cells were irradiated simultaneously in a cylindrical water tank at either 4 or 16 degrees C. Irradiation at the focus of 60 con...
The physical and radiobiological experiments performed with the fast neutron beams at the cyclotron of the University of Louvain are described and discussed in view of their therapeutic applications.
We appreciate the thoughtful comments from Dr. Jack Fowler on our recent manuscript of an estimation of radiobiological parameters for head and neck cancer (HNC) and the clinical implications [1]. [...].
Vibrational spectroscopy is an attractive modality for the analysis of biological samples, providing a complete non-invasive acquisition of the biochemical fingerprint of the sample. It has been demonstrated that this data provides the means to assay multiple functional responses of a biological system at a spatial resolution as low as a micron within the sample. As the interaction of ionizing ...
We report on the first irradiation of in vitro tumour cells with laser-accelerated proton pulses showing dose-dependent biological damage. This experiment, paving the way for future radiobiological studies with laser-accelerated protons, demonstrates the simultaneous availability of all the components indispensable for systematic radiobiological studies: a laser–plasma accelerator providing pro...
The majority of quantitative data on the effects of dose-rate come from experiments with cultured cells in vitro. These data are reviewed, and it is concluded that results obtained from the in vitro experience may be carried over, in a quantitative manner, to guide clinical radiotherapeutic design. As an example, there are contradictory guidelines suggested to compensate for changes in dose-rat...
Some consequences of uncertainties in radiobiological risk due to galactic cosmic ray (GCR) exposure are analyzed for their e ect on engineering designs for the rst lunar outpost and a mission to explore Mars. This report presents the plausible e ect of biological uncertainties , the design changes necessary to reduce the uncertainties to acceptable levels for a safe mission, and an evaluation ...
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